<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<style>
	#d00{
		width:700px;
		height:700px;
		margin:auto;
	}
	#d01{
		width:700px;
		height:100px;
		background-color:#C06;
		margin-bottom:50px;
	}
	#d02{
		width:200px;
		height:400px;
		background-color:#03C;
		float:left;
		margin-bottom:50px;
		margin-right:25px;
	}
	#d03{
		width:250px;
		height:400px;
		background-color:#936;
		float:left;
		margin-right:25px
	}
	#d04{
		width:200px;
		height:400px;
		background-color:#306;
		float:left;
	}
	#d05{
		width:700px;
		height:100px;
		background-color:#96C;
		clear:left;
	}
</style>
</head>
<body>
<div id="d00">
	<div id="d01">上</div>
	<div id="d02">左</div>
	<div id="d03">中</div>
	<div id="d04">右</div>
	<div id="d05">下</div>
</div>
</body>
</html>
